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https://gitee.com/ant-design-blazor/ant-design-blazor.git
synced 2024-12-05 13:37:35 +08:00
173 lines
5.1 KiB
C#
173 lines
5.1 KiB
C#
using System;
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using System.Linq;
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using AntDesign.TableModels;
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using Microsoft.AspNetCore.Components;
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namespace AntDesign
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{
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public class ColumnBase : AntDomComponentBase, IColumn
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{
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[CascadingParameter]
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public ITable Table { get; set; }
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[CascadingParameter(Name = "IsInitialize")]
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public bool IsInitialize { get; set; }
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[CascadingParameter(Name = "IsHeader")]
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public bool IsHeader { get; set; }
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[CascadingParameter(Name = "IsColGroup")]
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public bool IsColGroup { get; set; }
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[CascadingParameter(Name = "IsPlaceholder")]
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public bool IsPlaceholder { get; set; }
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[CascadingParameter(Name = "IsBody")]
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public bool IsBody { get; set; }
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[CascadingParameter]
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public ColumnContext Context { get; set; }
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[CascadingParameter(Name = "RowData")]
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public RowData RowData { get; set; }
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[CascadingParameter(Name = "IsMeasure")]
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public bool IsMeasure { get; set; }
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[Parameter]
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public string Title { get; set; }
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[Parameter]
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public RenderFragment TitleTemplate { get; set; }
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[Parameter]
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public string Width { get; set; }
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[Parameter]
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public string HeaderStyle { get; set; }
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[Parameter]
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public int RowSpan { get; set; } = 1;
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[Parameter]
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public int ColSpan { get; set; } = 1;
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[Parameter]
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public int HeaderColSpan { get; set; } = 1;
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[Parameter]
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public string Fixed { get; set; }
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[Parameter]
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public RenderFragment ChildContent { get; set; }
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[Parameter]
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public bool Ellipsis { get; set; }
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public int ColIndex { get; set; }
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protected bool AppendExpandColumn => Table.HasExpandTemplate && ColIndex == (Table.TreeMode ? Table.TreeExpandIconColumnIndex : Table.ExpandIconColumnIndex);
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private string _fixedStyle;
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protected string FixedStyle => _fixedStyle;
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private void SetClass()
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{
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ClassMapper
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.Add("ant-table-cell")
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.GetIf(() => $"ant-table-cell-fix-{Fixed}", () => Fixed.IsIn("right", "left"))
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.If($"ant-table-cell-fix-right-first", () => Fixed == "right" && Context?.Columns.FirstOrDefault(x => x.Fixed == "right")?.ColIndex == this.ColIndex)
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.If($"ant-table-cell-fix-left-last", () => Fixed == "left" && Context?.Columns.LastOrDefault(x => x.Fixed == "left")?.ColIndex == this.ColIndex)
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.If($"ant-table-cell-with-append", () => ColIndex == Table.TreeExpandIconColumnIndex && Table.TreeMode)
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.If($"ant-table-cell-ellipsis", () => Ellipsis)
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;
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}
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protected override void OnInitialized()
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{
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base.OnInitialized();
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// Render Pipeline: Initialize -> ColGroup -> Header ...
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if (IsInitialize)
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{
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Context?.AddColumn(this);
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if (Fixed == "left")
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{
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Table?.HasFixLeft();
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}
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else if (Fixed == "right")
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{
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Table?.HasFixRight();
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}
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if (Ellipsis)
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{
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Table?.TableLayoutIsFixed();
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}
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}
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else if (IsColGroup && Width == null)
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{
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Context?.AddColGroup(this);
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}
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else if (IsHeader)
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{
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Context?.AddHeaderColumn(this);
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}
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else
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{
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Context?.AddRowColumn(this);
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}
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if (IsHeader || IsBody)
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{
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_fixedStyle = CalcFixedStyle();
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}
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SetClass();
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}
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protected override void Dispose(bool disposing)
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{
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if (Context != null)
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{
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Context.Columns.Remove(this);
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}
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base.Dispose(disposing);
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}
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private string CalcFixedStyle()
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{
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if (Fixed == null || Context == null)
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{
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return "";
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}
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var fixedWidths = Array.Empty<string>();
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if (Fixed == "left" && Context?.Columns.Count >= ColIndex)
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{
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for (int i = 0; i < ColIndex; i++)
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{
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fixedWidths = fixedWidths.Append($"{(CssSizeLength)Context?.Columns[i].Width}");
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}
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}
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else if (Fixed == "right")
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{
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for (int i = (Context?.Columns.Count ?? 1) - 1; i > ColIndex; i--)
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{
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fixedWidths = fixedWidths.Append($"{(CssSizeLength)Context?.Columns[i].Width}");
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}
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}
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if (IsHeader && Table.ScrollY != null && Table.ScrollX != null && Fixed == "right")
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{
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fixedWidths = fixedWidths.Append($"{(CssSizeLength)Table.ScrollBarWidth}");
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}
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return $"position: sticky; {Fixed}: {(fixedWidths.Any() ? $"calc({string.Join(" + ", fixedWidths) })" : "0px")};";
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}
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}
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}
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